19271968

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 40018104

約数和(自身を除く): 20746136

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 397, 592, 656, 794, 1184, 1312, 1517, 1588, 3034, 3176, 6068, 6352, 12136, 12704, 14689, 16277, 24272, 29378, 32554, 48544, 58756, 65108, 117512, 130216, 235024, 260432, 470048, 520864, 602249, 1204498, 2408996, 4817992, 9635984, 19271968]

約数ペア:

[(1, 19271968), (2, 9635984), (4, 4817992), (8, 2408996), (16, 1204498), (32, 602249), (37, 520864), (41, 470048), (74, 260432), (82, 235024), (148, 130216), (164, 117512), (296, 65108), (328, 58756), (397, 48544), (592, 32554), (656, 29378), (794, 24272), (1184, 16277), (1312, 14689), (1517, 12704), (1588, 12136), (3034, 6352), (3176, 6068)]